Process for the production of acetic acid

Details Process for the production of acetic acid Process for the production of acetic acid

C - Chemistry, Metallurgy

07

C

C07C 53/08 (2006.01) C07C 51/12 (2006.01) C07C 51/44 (2006.01)

Patent

CA 2097478

In a process for the production of acetic acid by carbonylation of methanol in the presence of a rhodium carbonylation catalyst, methyl iodide and an iodide salt stabiliser the improvement resides in maintaining a finite concentration of water of up to about 10% by weight and a methyl acetate concentration of at least 2% by weight in the liquid reaction composition and recovering the acetic acid product by passing the liquid reaction composition through a flash zone to produce a vapour fraction which is passed to a single distillation column from which an acetic acid product is removed.

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